IVDT for short, to draw maps indicating geographical distribution, origin and frequency of our database records. It helps couple genomic data with geographical information in the context of biological and epidemiological data. It is a useful visual aid to display which countries and in what density the samples have been collected and facilitate the study of IV transmission, mutation and evolution.

Q-Filter for short. It classifies and ranks nucleotide sequences into 7 categories based on sequence content and integrity, which allows researchers to have a clear understanding on the sequence data and choose high-quality data for research.